Where is the center of the universe? The center of our solar system is the sun. And the center of our galaxy is a supermassive black hole. Is there an answer?
Archaeologists in Spain found the oldest known human fingerprint on a rock, marking the nose on artwork by a Neanderthal. Forensic science helped uncover it.
Researchers have discovered that wide-orbit planets are likely the natural result of developing planetary systems, and the result has implications for Planet 9.
Newly combined data shows Andromeda and Milky Way galaxies might not collide as previously assumed. The research puts chances of a galactic collision at 50/50.
Members of the EarthSky community - including scientists, as well as science and nature writers from across the globe - weigh in on what's important to them.